Home / 16,756.26-25,134.99-8,431.74

Finding the Fourth Proportional to 16,756.26, 25,134.99 and 8,431.74

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Solution

The fourth proportional to 16,756.26, 25,134.99 and 8,431.74 is: 12,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.26 : 25,134.99 = 8,431.74 : x
  2. Step 2: Convert to fraction form
    16,756.26/25,134.99 = 8,431.74/x
  3. Step 3: Cross multiply
    16,756.26x = 25,134.99 × 8,431.74
  4. Step 4: Simplify right side
    16,756.26x = 211,931,668.96
  5. Step 5: Solve for x
    x = 211,931,668.96/16,756.26
  6. Step 6: Final answer
    x = 12,647.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.